参数资料
型号: RFPIC12F675K-E/SS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PDSO20
封装: 0.209 INCH, PLASTIC, MO-150, SSOP-20
文件页数: 31/123页
文件大小: 5438K
代理商: RFPIC12F675K-E/SS
2003 Microchip Technology Inc.
Preliminary
DS70091A-page 13
rfPIC12F675
2.2.2.5
PIR1 Register
The PIR1 register contains the interrupt flag bits, as
shown in Register 2-5.
REGISTER 2-5:
PIR1 — PERIPHERAL INTERRUPT REGISTER 1 (ADDRESS: 0Ch)
Note:
Interrupt flag bits are set when an interrupt
condition occurs, regardless of the state of
its corresponding enable bit or the global
enable
bit,
GIE
(INTCON<7>).
User
software should ensure the appropriate
interrupt flag bits are clear prior to enabling
an interrupt.
R/W-0
U-0
R/W-0
U-0
R/W-0
EEIF
ADIF
CMIF
TMR1IF
bit 7
bit 0
bit 7
EEIF: EEPROM Write Operation Interrupt Flag bit
1 = The write operation completed (must be cleared in software)
0 = The write operation has not completed or has not been started
bit 6
ADIF: A/D Converter Interrupt Flag bit
1 = The A/D conversion is complete (must be cleared in software)
0 = The A/D conversion is not complete
bit 5-4
Unimplemented: Read as ‘0’
bit 3
CMIF: Comparator Interrupt Flag bit
1 = Comparator input has changed (must be cleared in software)
0 = Comparator input has not changed
bit 2-1
Unimplemented: Read as ‘0’
bit 0
TMR1IF: TMR1 Overflow Interrupt Flag bit
1 = TMR1 register overflowed (must be cleared in software)
0 = TMR1 register did not overflow
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
- n = Value at POR
’1’ = Bit is set
’0’ = Bit is cleared
x = Bit is unknown
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